NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH

Do Funds Make More When They Trade More?

Lubos Pastor, Robert F. Stambaugh, Lucian A. Taylor

NBER Working Paper No. 20700
Issued in November 2014, Revised in April 2016
NBER Program(s):Asset Pricing, Corporate Finance

We model optimal fund turnover in the presence of time-varying profit opportunities. Our model predicts a positive relation between an active fund’s turnover and its subsequent benchmark-adjusted return. We find such a relation for equity mutual funds. This time-series relation between turnover and performance is stronger than the cross-sectional relation, as the model predicts. Also as predicted, the turnover-performance relation is stronger for funds trading less-liquid stocks, such as small-cap funds. Turnover has a common component that is positively correlated with proxies for stock mispricing, consistent with funds exploiting time-varying opportunities. Turnover’s common component helps predict fund returns.

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Document Object Identifier (DOI): 10.3386/w20700

Published: Ľuboš Pástor & Robert F. Stambaugh & Lucian A. Taylor, 2017. "Do Funds Make More When They Trade More?," Journal of Finance, American Finance Association, vol. 72(4), pages 1483-1528, August. citation courtesy of

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